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Item Description:
ViewStar AU Series controller is a common positive PWM charge controller with bulit in LCD
display and USB port, The Multiple load control modes enable is can be widely used on solar
home system, traffic signal, solar street light, solar garden lamp,etc.
Features:
Adopt high quality components of ST,IR and Infineon, make sure product using lifespan
Terminals have UL and VDE certification, the product is more safer and more reliable
Controller can work continuously at full load within the environment temperature range from -25 to 55 ℃
3-Stage intelligent PWM charging:Bulk, Boost/Equalize, Float
Support 3 charging options: Sealed, Gel, and Flooded
LCD display design, dynamically displaying device’s operating data and working condition
Double USB design, the power supply charge for electronic equipment
With humanized button settings, operation will be more comfortable and convenient
Multiple load control modes
Energy statistics function
Battery temperature compensation function
Extensive Electronic protection
Specifications:
Rated Charge/Discharge Current: 20A
Nominal system voltage: 12V/24V Auto
Battery input voltage range: 9V~32V
Max. PV open circuit voltage: 50V
Battery type: Sealed(Default) / Gel / Flooded /User
Equalize Charging Voltage: Sealed:14.6V/ Gel: No/ Flooded:14.8V/User:9-17V
Boost Charging Voltage: Sealed:14.4V/ Gel:14.2V/ Flooded:14.6V/User:9-17V
Float Charging Voltage: Sealed/Gel/Flooded:13.8V/User:9-17V
Low Voltage Reconnect Voltage: Sealed/Gel/Flooded:12.6V/User:9-17V
Low Volt. Disconnect Voltage: Sealed/Gel/Flooded:11.1V/User:9-17V
Self-consumption: ≤9.2mA/12V;≤11.7mA/24V; ≤14.5mA/36V;≤17mA/48V
Temperature compensation coefficient: -3mV/℃/2V(25℃)
Charge circuit voltage drop: ≤0.29V
Discharge circuit voltage drop: ≤0.16V
LCD temperature range: -20℃~+70℃
Working environment temperature: -25℃~+55℃(Product can work continuously at full load)
Relative humidity: ≤95%, N.C.
USB output: 5VDC/2.4A
Electronic Protections:
PV reverse polarity protection
Battery reverse polarity protection
Battery over voltage protection
Battery overheating Protection
Load short circuit protection
Battery over discharge protection
Load overload protection
Controller overheating protection
Package Includes:
1 x 20A Solar Controller
1 x User Manual
Only through PayPal

1. Item will be shipped from Hong Kong post on the 48 hours after your full payment has been received.
2. Rate the seller on the time it took to mail the item, not the time it took you to receive the item!! See the ebay policy here
Delivery time:
----By Airmail: Generally, about 2-3 weeks to UK, USA, AU.

----By Express: Generally, about 5-10 working days to UK, USA, AU. ----delivery to US, UK, Australia and Canada usually takes 7-14 working days;
----delivery to countries except US, UK, Australia and Canada usually takes 7-21 working days;
----We can also ship the item through express service like DHL, UPS, if you are ready to pay the extra charge. To know the details please contact us with email.
We ship to eBay address. Please make sure your address in ebay is matched with your shipping address before you pay.
The images are for reference only. Please take the item you get as the standard.
International Buyers Please Note:
Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer responsibility.
Please check with your country customs office to determine what these additional costs will be prior to bidding/buying.
We will NOT be responsible for any delay during delivery including but not limited to customs postage checking, strike, force majeure etc.
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Note: Russian buyers were required to fill in the full name ( normally including the name, father's name and surname,three individual words) in the shipping address to pick up the item as the Russian postal policy adjustments.
Return & Refund
Refund or replacement request is available only the requests within 1 week after parcel received & returning the item as the same condition as received.
Please contact us to request a return authorization. Your name, auction number, and reason for return should be included in the email. All items returned must contain all original packaging materials.
Please repack the item carefully. Items returned will be tested and a new replacement will be shipped to the buyer immediately when found defective. In the event that a suitable replacement is not available then a refund will be issued. Shipping, handling and insurance fees are non refundable.
If the item is found non-defective, the item will be sent back to the buyer at buyer's expense. Items returned without RMA number will be refused and returned to the sender. Buyer is responsible for All Return Postage and Shipping Charges. Buyer is responsible for additional shipping costs for items that are returned refused and/or undeliverable. We do not accept any returns without an authorization number on the box or label it is being returned in.
Our working time:
Hong Kong time :Monday to Friday 9:30 am to 6:30 pm.
We do not work on holidays in Hong Kong.
if you send email to us, it will be resumed within 1 working days .
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